Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 65mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke65 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50
The AirTAC SAIJ200X65-50 is a double-acting ISO 15552 profile cylinder featuring a 200mm bore and a rear stroke adjuster that permits up to 50mm of end-position trimming. This creates a usable travel window of 15 to 65mm, allowing you to fine-tune the retract distance at commissioning without swapping hardware or adding external stops. It delivers immense thrust, generating 15080N of pull force at 0.5MPa and up to 21991N of push force at 0.7MPa.
Built for durability in demanding environments, this specific configuration incorporates a SUS304 stainless steel rod (option B) for superior corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this unit ships without a magnet. The rear adjuster acts strictly as a travel stop to set deceleration, not as a load-holding brake.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 65 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×65 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50 Is Used
Heavy Press Tuning
Dial in the exact 15-65mm travel window during heavy press commissioning to accommodate material thickness variations without repositioning the entire fixture.
Product Changeover Stops
Adjust the retract end-stop on the fly for different package sizes moving down a conveyor line, leveraging the 50mm trim range to adapt quickly.
High-Force Positioning
Utilize the 21991N push force at 0.7MPa to move heavy pallets or industrial molds into exact position, relying on the SUS304 rod in harsh plant environments.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50 the Right Cylinder?
Choose this 200mm bore when your application requires extreme force, stepping up from a 160mm cylinder that yields 9425N of pull force at 0.5MPa. The 50mm adjustment range is ideal for product-size changeovers on a line, letting you dial in the exact 15-65mm end-stop without changing the cylinder. If you need true load holding without live air pressure, select the SAIL or BSAI series instead, as the SAIJ adjuster does not lock the load.
When replacing an ISO 15552 cylinder, match the 200mm bore, 65mm nominal stroke, 50mm adjustment code, PT tapered port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 65mm stroke is below the 300mm threshold, side-load stress is minimal, but the heavy 40mm rod and M36x2 thread still handle high axial loads effectively.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-50 FAQ
At 0.5MPa it provides 15708N push force and 15080N pull force. At 0.7MPa, the push force increases to 21991N. The maximum rated force is 3204 kgf at 1.0MPa.
The rear adjuster screw lets you shorten the 65mm nominal stroke by up to 50mm, creating a usable travel window of 15 to 65mm. It functions as a mechanical stop to fine-tune the end position and does not lock the load without live air.
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